DEV Community

JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
I built a football tournament simulator that runs entirely in the browser (and on Android)

I built a football tournament simulator that runs entirely in the browser (and on Android)

Comments
2 min read
Block fake and typo emails at signup in about 15 lines

Block fake and typo emails at signup in about 15 lines

1
Comments
1 min read
Diagnose Node.js CommonJS vs ESM Errors with Claude: A Copy-Paste Prompt Kit (ERR_REQUIRE_ESM, ERR_MODULE_NOT_FOUND)

Diagnose Node.js CommonJS vs ESM Errors with Claude: A Copy-Paste Prompt Kit (ERR_REQUIRE_ESM, ERR_MODULE_NOT_FOUND)

1
Comments
7 min read
Stop Copying AI Code Directly Into Production

Stop Copying AI Code Directly Into Production

1
Comments
3 min read
Run DeepSeek in Your App Without a GPU — Streaming Chat API with Session Memory

Run DeepSeek in Your App Without a GPU — Streaming Chat API with Session Memory

Comments
5 min read
Day 21 of Leaning MERN Stack

Day 21 of Leaning MERN Stack

1
Comments
1 min read
I Audited 11 Calculator Websites for Trackers — Then Built One With Zero

I Audited 11 Calculator Websites for Trackers — Then Built One With Zero

Comments
2 min read
I built 342 browser-native dev tools - here's why everything runs client-side

I built 342 browser-native dev tools - here's why everything runs client-side

Comments
4 min read
Practical Notes on M3U8 and HLS Playback Issues

Practical Notes on M3U8 and HLS Playback Issues

Comments
6 min read
I built an all-in-one Social Media Toolkit API — 8 tools in one endpoint set

I built an all-in-one Social Media Toolkit API — 8 tools in one endpoint set

Comments
2 min read
I Added a Local Audio Compressor to My Browser Extension

I Added a Local Audio Compressor to My Browser Extension

Comments 1
5 min read
"The Frontend Knowledge Gap That AI Won't Close For You": true

"The Frontend Knowledge Gap That AI Won't Close For You": true

Comments
12 min read
I built a free image converter that runs 100% in your browser — no upload, no signup

I built a free image converter that runs 100% in your browser — no upload, no signup

Comments
1 min read
Infinite Scroll in React using IntersectionObserver

Infinite Scroll in React using IntersectionObserver

1
Comments
2 min read
scan() Is Reduce For Infinite Data

scan() Is Reduce For Infinite Data

Comments
5 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.